所有图片(5)
About This Item
线性分子式:
MgSO4 · 7H2O
CAS号:
分子量:
246.47
EC 号:
MDL编号:
UNSPSC代码:
12352302
eCl@ss:
38030409
PubChem化学物质编号:
NACRES:
NA.21
等级
ACS reagent
质量水平
蒸汽密度
<0.01 (vs air)
蒸汽压
<0.1 mmHg ( 20 °C)
检测方案
≥98%
98.0-102.0% (ACS specification)
形式
crystals
杂质
≤0.005% insolubles
pH值（酸碱度）
5.0-8.2 (25 °C, 5%)
痕量阴离子
chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.002%
痕量阳离子
Ca: ≤0.02%
Fe: ≤5 ppm
K: ≤0.005%
Mn: ≤5 ppm
NH4+: ≤0.002%
Na: ≤0.005%
Sr: ≤0.005%
heavy metals: ≤5 ppm (by ICP-OES)
SMILES字符串
O.O.O.O.O.O.O.[Mg++].[O-]S([O-])(=O)=O
InChI
1S/Mg.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
InChI key
WRUGWIBCXHJTDG-UHFFFAOYSA-L
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一般描述
硫酸镁七水合物是一种镁的水合盐。它通常用作有机合成中的催化剂。
应用
硫酸镁七水合物可作为路易斯酸催化剂用于合成：
NaBH4 负载在MgSO4 7H2O上可用作还原 α, β不饱和羰基化合物成相对应的醇的有效催化剂。
- 通过缩合 邻-苯二胺和1,2-二羧基化合物反应制备吩嗪和喹喔啉衍生物。
- 通过一锅法缩合芳香醛、苯偶酰、脂肪族和芳香族伯胺反应制备咪唑衍生物。
NaBH4 负载在MgSO4 7H2O上可用作还原 α, β不饱和羰基化合物成相对应的醇的有效催化剂。
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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